Coffee beam roasting machine



FIG. 1 is a frontal perspective view of a coffee bean roasting machine showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view from the right thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view from the left thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a coffee beam roasting machine, as shown and described. 